Science

MIAMI — The 8-year-old twins love their iPad. They draw, play games and expand their vocabulary. The teenagers like the computer tablets too, but the clan’s elders show no interest.

ARDEN HILLS, Minn. — Minnesota is enlisting dogs in the battle to prevent the spread of the emerald ash borer.
The Minnesota Department of Agriculture hopes trained sniffer dogs can become a new line of defence against the invasive pests, which threaten ash trees across the state and across the country.

MONTREAL—A group of more than 2,000 scientists from 67 countries has called for a moratorium on commercial fishing in the Arctic until more research can be completed on waters that once were covered year-round.

TORONTO — Deep inside a cave in New Mexico, researchers have made a remarkable discovery — bacteria that are resistant to antibiotics, even though they have been pristinely isolated from human contact for more than four million years.

WASHINGTON — The dramatic temperature increases that thawed the last ice age followed spikes in carbon dioxide levels in the air, a new study finds. Researchers say that further strengthens the scientific case explaining current man-made global warming.

LOS ANGELES — The discovery of a giant meat-eating dinosaur sporting a downy coat has some scientists reimagining the look of Tyrannosaurus rex.
With a killer jaw and sharp claws, T. rex has long been depicted in movies and popular culture as having scaly skin. But the discovery of an earlier relative suggests the king of dinosaurs may have had a softer side.

WESLACO, Texas — In a lab not far from the Mexican border, the fight against a disease ravaging the worldwide citrus industry has found an unexpected weapon: spinach.

WASHINGTON — A prehistoric monster snake the length of a school bu, which probably fed on supersized turtles and crocodiles, has made its way to the Smithsonian Institution for an exhibit opening Friday.

WASHINGTON — A common class of pesticide is causing problems for honeybees and bumblebees, important species already in trouble, two studies suggest.
But the findings don’t explain all the reasons behind a long-running bee decline, and other experts found one of the studies less than convincing.

GENEVA — A six-legged calf has defied the odds by thriving despite a vet’s prediction at birth that it wouldn’t survive.
Seven-week-old Lilli is now a minor celebrity in her native Switzerland after local media were splashed with images of the calf frolicking across a sunny field.